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Finding the Fourth Proportional to 68,466.36, 94,478.88 and 37,838.16

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Solution

The fourth proportional to 68,466.36, 94,478.88 and 37,838.16 is: 52,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466.36 : 94,478.88 = 37,838.16 : x
  2. Step 2: Convert to fraction form
    68,466.36/94,478.88 = 37,838.16/x
  3. Step 3: Cross multiply
    68,466.36x = 94,478.88 × 37,838.16
  4. Step 4: Simplify right side
    68,466.36x = 3,574,906,978.06
  5. Step 5: Solve for x
    x = 3,574,906,978.06/68,466.36
  6. Step 6: Final answer
    x = 52,214.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.